Locate and select the (second) required replica to merge the open project and the replica.

Notes

Information is copied both ways, including deletes, updates and inserts; both projects end up containing identical information

If this process generates 'conflicting changes' errors, you should review and, if necessary, resolve these conflicts

In the Corporate, Business and Software Engineering, System Engineering and Ultimate editions of Enterprise Architect, if security is enabled you must have Manage Replicas permission to create a replica